boot/dts/sun8i-a83t-cubietruck-plus.dts

0001 /*
0002  * Copyright 2015 Chen-Yu Tsai
0003  *
0004  * Chen-Yu Tsai <wens@csie.org>
0005  *
0006  * This file is dual-licensed: you can use it either under the terms
0007  * of the GPL or the X11 license, at your option. Note that this dual
0008  * licensing only applies to this file, and not this project as a
0009  * whole.
0010  *
0011  *  a) This file is free software; you can redistribute it and/or
0012  *     modify it under the terms of the GNU General Public License as
0013  *     published by the Free Software Foundation; either version 2 of the
0014  *     License, or (at your option) any later version.
0015  *
0016  *     This file is distributed in the hope that it will be useful,
0017  *     but WITHOUT ANY WARRANTY; without even the implied warranty of
0018  *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
0019  *     GNU General Public License for more details.
0020  *
0021  * Or, alternatively,
0022  *
0023  *  b) Permission is hereby granted, free of charge, to any person
0024  *     obtaining a copy of this software and associated documentation
0025  *     files (the "Software"), to deal in the Software without
0026  *     restriction, including without limitation the rights to use,
0027  *     copy, modify, merge, publish, distribute, sublicense, and/or
0028  *     sell copies of the Software, and to permit persons to whom the
0029  *     Software is furnished to do so, subject to the following
0030  *     conditions:
0031  *
0032  *     The above copyright notice and this permission notice shall be
0033  *     included in all copies or substantial portions of the Software.
0034  *
0035  *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
0036  *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
0037  *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
0038  *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
0039  *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
0040  *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
0041  *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
0042  *     OTHER DEALINGS IN THE SOFTWARE.
0043  */
0044
0045 /dts-v1/;
0046 #include "sun8i-a83t.dtsi"
0047
0048 #include <dt-bindings/gpio/gpio.h>
0049
0050 / {
0051         model = "Cubietech Cubietruck Plus";
0052         compatible = "cubietech,cubietruck-plus", "allwinner,sun8i-a83t";
0053
0054         aliases {
0055                 ethernet0 = &emac;
0056                 serial0 = &uart0;
0057         };
0058
0059         chosen {
0060                 stdout-path = "serial0:115200n8";
0061         };
0062
0063         hdmi-connector {
0064                 compatible = "hdmi-connector";
0065                 type = "a";
0066
0067                 port {
0068                         hdmi_con_in: endpoint {
0069                                 remote-endpoint = <&hdmi_out_con>;
0070                         };
0071                 };
0072         };
0073
0074         leds {
0075                 compatible = "gpio-leds";
0076
0077                 led-0 {
0078                         label = "cubietruck-plus:blue:usr";
0079                         gpios = <&pio 3 25 GPIO_ACTIVE_HIGH>; /* PD25 */
0080                 };
0081
0082                 led-1 {
0083                         label = "cubietruck-plus:orange:usr";
0084                         gpios = <&pio 3 26 GPIO_ACTIVE_HIGH>; /* PD26 */
0085                 };
0086
0087                 led-2 {
0088                         label = "cubietruck-plus:white:usr";
0089                         gpios = <&pio 3 27 GPIO_ACTIVE_HIGH>; /* PD27 */
0090                 };
0091
0092                 led-3 {
0093                         label = "cubietruck-plus:green:usr";
0094                         gpios = <&pio 4 4 GPIO_ACTIVE_HIGH>; /* PE4 */
0095                 };
0096         };
0097
0098         usb-hub {
0099                 /* I2C is not connected */
0100                 compatible = "smsc,usb3503";
0101                 initial-mode = <1>; /* initialize in HUB mode */
0102                 disabled-ports = <1>;
0103                 intn-gpios = <&pio 7 5 GPIO_ACTIVE_HIGH>; /* PH5 */
0104                 reset-gpios = <&pio 4 16 GPIO_ACTIVE_LOW>; /* PE16 */
0105                 connect-gpios = <&pio 4 17 GPIO_ACTIVE_HIGH>; /* PE17 */
0106                 refclk-frequency = <19200000>;
0107         };
0108
0109         reg_usb1_vbus: reg-usb1-vbus {
0110                 compatible = "regulator-fixed";
0111                 regulator-name = "usb1-vbus";
0112                 regulator-min-microvolt = <5000000>;
0113                 regulator-max-microvolt = <5000000>;
0114                 regulator-boot-on;
0115                 enable-active-high;
0116                 gpio = <&pio 3 29 GPIO_ACTIVE_HIGH>; /* PD29 */
0117         };
0118
0119         reg_usb2_vbus: reg-usb2-vbus {
0120                 compatible = "regulator-fixed";
0121                 regulator-name = "usb2-vbus";
0122                 regulator-min-microvolt = <5000000>;
0123                 regulator-max-microvolt = <5000000>;
0124                 regulator-boot-on;
0125                 enable-active-high;
0126                 gpio = <&r_pio 0 6 GPIO_ACTIVE_HIGH>; /* PL6 */
0127         };
0128
0129         sound {
0130                 compatible = "simple-audio-card";
0131                 simple-audio-card,name = "On-board SPDIF";
0132
0133                 simple-audio-card,cpu {
0134                         sound-dai = <&spdif>;
0135                 };
0136
0137                 simple-audio-card,codec {
0138                         sound-dai = <&spdif_out>;
0139                 };
0140         };
0141
0142         spdif_out: spdif-out {
0143                 #sound-dai-cells = <0>;
0144                 compatible = "linux,spdif-dit";
0145         };
0146
0147         wifi_pwrseq: wifi_pwrseq {
0148                 compatible = "mmc-pwrseq-simple";
0149                 clocks = <&ac100_rtc 1>;
0150                 clock-names = "ext_clock";
0151                 /* The WiFi low power clock must be 32768 Hz */
0152                 assigned-clocks = <&ac100_rtc 1>;
0153                 assigned-clock-rates = <32768>;
0154                 /* enables internal regulator and de-asserts reset */
0155                 reset-gpios = <&r_pio 0 2 GPIO_ACTIVE_LOW>; /* PL2 WL-PMU-EN */
0156         };
0157 };
0158
0159 &cpu0 {
0160         cpu-supply = <&reg_dcdc2>;
0161 };
0162
0163 &cpu100 {
0164         cpu-supply = <&reg_dcdc3>;
0165 };
0166
0167 &de {
0168         status = "okay";
0169 };
0170
0171 &ehci0 {
0172         /* GL830 USB-to-SATA bridge here */
0173         status = "okay";
0174 };
0175
0176 &ehci1 {
0177         /* USB3503 HSIC USB 2.0 hub here */
0178         status = "okay";
0179 };
0180
0181 &emac {
0182         pinctrl-names = "default";
0183         pinctrl-0 = <&emac_rgmii_pins>;
0184         phy-supply = <&reg_dldo4>;
0185         phy-handle = <&rgmii_phy>;
0186         phy-mode = "rgmii-id";
0187         status = "okay";
0188 };
0189
0190 &hdmi {
0191         status = "okay";
0192 };
0193
0194 &hdmi_out {
0195         hdmi_out_con: endpoint {
0196                 remote-endpoint = <&hdmi_con_in>;
0197         };
0198 };
0199
0200 &mdio {
0201         rgmii_phy: ethernet-phy@1 {
0202                 compatible = "ethernet-phy-ieee802.3-c22";
0203                 reg = <1>;
0204         };
0205 };
0206
0207 &mmc0 {
0208         pinctrl-names = "default";
0209         pinctrl-0 = <&mmc0_pins>;
0210         vmmc-supply = <&reg_dcdc1>;
0211         bus-width = <4>;
0212         cd-gpios = <&pio 5 6 GPIO_ACTIVE_LOW>; /* PF6 */
0213         status = "okay";
0214 };
0215
0216 &mmc1 {
0217         vmmc-supply = <&reg_dcdc1>;
0218         vqmmc-supply = <&reg_sw>;
0219         mmc-pwrseq = <&wifi_pwrseq>;
0220         bus-width = <4>;
0221         non-removable;
0222         status = "okay";
0223 };
0224
0225 &mmc2 {
0226         pinctrl-names = "default";
0227         pinctrl-0 = <&mmc2_8bit_emmc_pins>;
0228         vmmc-supply = <&reg_dcdc1>;
0229         bus-width = <8>;
0230         non-removable;
0231         cap-mmc-hw-reset;
0232         status = "okay";
0233 };
0234
0235 &r_rsb {
0236         status = "okay";
0237
0238         axp81x: pmic@3a3 {
0239                 compatible = "x-powers,axp818", "x-powers,axp813";
0240                 reg = <0x3a3>;
0241                 interrupt-parent = <&r_intc>;
0242                 interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_LOW>;
0243                 eldoin-supply = <&reg_dcdc1>;
0244                 swin-supply = <&reg_dcdc1>;
0245                 x-powers,drive-vbus-en;
0246         };
0247
0248         ac100: codec@e89 {
0249                 compatible = "x-powers,ac100";
0250                 reg = <0xe89>;
0251
0252                 ac100_codec: codec {
0253                         compatible = "x-powers,ac100-codec";
0254                         interrupt-parent = <&r_pio>;
0255                         interrupts = <0 11 IRQ_TYPE_LEVEL_LOW>; /* PL11 */
0256                         #clock-cells = <0>;
0257                         clock-output-names = "4M_adda";
0258                 };
0259
0260                 ac100_rtc: rtc {
0261                         compatible = "x-powers,ac100-rtc";
0262                         interrupt-parent = <&r_intc>;
0263                         interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_LOW>;
0264                         clocks = <&ac100_codec>;
0265                         #clock-cells = <1>;
0266                         clock-output-names = "cko1_rtc",
0267                                              "cko2_rtc",
0268                                              "cko3_rtc";
0269                 };
0270         };
0271 };
0272
0273 #include "axp81x.dtsi"
0274
0275 &ac_power_supply {
0276         status = "okay";
0277 };
0278
0279 &battery_power_supply {
0280         status = "okay";
0281 };
0282
0283 &reg_aldo1 {
0284         regulator-always-on;
0285         regulator-min-microvolt = <1800000>;
0286         regulator-max-microvolt = <1800000>;
0287         regulator-name = "vcc-1v8";
0288 };
0289
0290 &reg_aldo2 {
0291         regulator-always-on;
0292         regulator-min-microvolt = <1800000>;
0293         regulator-max-microvolt = <1800000>;
0294         regulator-name = "dram-pll";
0295 };
0296
0297 &reg_aldo3 {
0298         regulator-always-on;
0299         regulator-min-microvolt = <3000000>;
0300         regulator-max-microvolt = <3000000>;
0301         regulator-name = "avcc";
0302 };
0303
0304 &reg_dcdc1 {
0305         /*
0306          * The schematics say this should be 3.3V, but the FEX file says
0307          * it should be 3V. The latter makes sense, as the WiFi module's
0308          * I/O is indirectly powered from DCDC1, through SW. It is rated
0309          * at 2.98V maximum.
0310          */
0311         regulator-always-on;
0312         regulator-min-microvolt = <3000000>;
0313         regulator-max-microvolt = <3000000>;
0314         regulator-name = "vcc-3v";
0315 };
0316
0317 &reg_dcdc2 {
0318         regulator-always-on;
0319         regulator-min-microvolt = <700000>;
0320         regulator-max-microvolt = <1100000>;
0321         regulator-name = "vdd-cpua";
0322 };
0323
0324 &reg_dcdc3 {
0325         regulator-always-on;
0326         regulator-min-microvolt = <700000>;
0327         regulator-max-microvolt = <1100000>;
0328         regulator-name = "vdd-cpub";
0329 };
0330
0331 &reg_dcdc4 {
0332         regulator-min-microvolt = <700000>;
0333         regulator-max-microvolt = <1100000>;
0334         regulator-name = "vdd-gpu";
0335 };
0336
0337 &reg_dcdc5 {
0338         regulator-always-on;
0339         regulator-min-microvolt = <1500000>;
0340         regulator-max-microvolt = <1500000>;
0341         regulator-name = "vcc-dram";
0342 };
0343
0344 &reg_dcdc6 {
0345         regulator-always-on;
0346         regulator-min-microvolt = <900000>;
0347         regulator-max-microvolt = <900000>;
0348         regulator-name = "vdd-sys";
0349 };
0350
0351 &reg_dldo2 {
0352         regulator-min-microvolt = <3300000>;
0353         regulator-max-microvolt = <3300000>;
0354         regulator-name = "dp-pwr";
0355 };
0356
0357 &reg_dldo3 {
0358         regulator-always-on;
0359         regulator-min-microvolt = <2500000>;
0360         regulator-max-microvolt = <2500000>;
0361         regulator-name = "ephy-io";
0362 };
0363
0364 &reg_dldo4 {
0365         /*
0366          * The PHY requires 20ms after all voltages are applied until core
0367          * logic is ready and 30ms after the reset pin is de-asserted.
0368          * Set a 100ms delay to account for PMIC ramp time and board traces.
0369          */
0370         regulator-enable-ramp-delay = <100000>;
0371         regulator-min-microvolt = <3300000>;
0372         regulator-max-microvolt = <3300000>;
0373         regulator-name = "ephy";
0374 };
0375
0376 &reg_drivevbus {
0377         regulator-name = "usb0-vbus";
0378         status = "okay";
0379 };
0380
0381 &reg_eldo1 {
0382         regulator-min-microvolt = <1200000>;
0383         regulator-max-microvolt = <1200000>;
0384         regulator-name = "dp-bridge-1";
0385 };
0386
0387 &reg_eldo2 {
0388         regulator-min-microvolt = <1200000>;
0389         regulator-max-microvolt = <1200000>;
0390         regulator-name = "dp-bridge-2";
0391 };
0392
0393 &reg_fldo1 {
0394         /* TODO should be handled by USB PHY */
0395         regulator-always-on;
0396         regulator-min-microvolt = <1080000>;
0397         regulator-max-microvolt = <1320000>;
0398         regulator-name = "vdd12-hsic";
0399 };
0400
0401 &reg_fldo2 {
0402         /*
0403          * Despite the embedded CPUs core not being used in any way,
0404          * this must remain on or the system will hang.
0405          */
0406         regulator-always-on;
0407         regulator-min-microvolt = <700000>;
0408         regulator-max-microvolt = <1100000>;
0409         regulator-name = "vdd-cpus";
0410 };
0411
0412 &reg_rtc_ldo {
0413         regulator-name = "vcc-rtc";
0414 };
0415
0416 &reg_sw {
0417         regulator-name = "vcc-wifi-io";
0418 };
0419
0420 &spdif {
0421         status = "okay";
0422 };
0423
0424 &uart0 {
0425         pinctrl-names = "default";
0426         pinctrl-0 = <&uart0_pb_pins>;
0427         status = "okay";
0428 };
0429
0430 &uart1 {
0431         pinctrl-names = "default";
0432         pinctrl-0 = <&uart1_pins>, <&uart1_rts_cts_pins>;
0433         uart-has-rtscts;
0434         status = "okay";
0435
0436         bluetooth {
0437                 compatible = "brcm,bcm4330-bt";
0438                 clocks = <&ac100_rtc 1>;
0439                 clock-names = "lpo";
0440                 vbat-supply = <&reg_dcdc1>;
0441                 vddio-supply = <&reg_sw>;
0442                 device-wakeup-gpios = <&r_pio 0 10 GPIO_ACTIVE_HIGH>; /* PL10 */
0443                 host-wakeup-gpios = <&r_pio 0 8 GPIO_ACTIVE_HIGH>; /* PL8 */
0444                 shutdown-gpios = <&r_pio 0 4 GPIO_ACTIVE_HIGH>; /* PL4 */
0445         };
0446 };
0447
0448 &usb_otg {
0449         dr_mode = "otg";
0450         status = "okay";
0451 };
0452
0453 &usb_power_supply {
0454         status = "okay";
0455 };
0456
0457 &usbphy {
0458         usb0_id_det-gpios = <&pio 7 11 GPIO_ACTIVE_HIGH>; /* PH11 */
0459         usb0_vbus_power-supply = <&usb_power_supply>;
0460         usb0_vbus-supply = <&reg_drivevbus>;
0461         usb1_vbus-supply = <&reg_usb1_vbus>;
0462         usb2_vbus-supply = <&reg_usb2_vbus>;
0463         status = "okay";
0464 };